Sodium benzoate is a preservative. It is bacteriostatic and fungistatic under acidic conditions. It is used most prevalently in acidic foods such as salad dressings (vinegar), carbonated drinks (carbonic acid), jams and fruit juices (citric acid), pickles (vinegar), and condiments.
Introduction
Sodium benzoate is a preservative. It is bacteriostatic and fungistatic under acidic conditions. It is used most prevalently in acidic foods such as salad dressings (vinegar), carbonated drinks (carbonic acid), jams and fruit juices (citric acid), pickles (vinegar), and condiments. It is also found in alcohol-based mouthwash and silver polish. It can also be found in cough syrups like Robitussin. [1] Sodium benzoate is declared on a product label as 'sodium benzoate' or E211.It is also used in fireworks as a fuel in whistle mix, a powder which imparts a whistling noise when compressed into a tube and ignited.
Functions and Applications
1.As an excellent food preservative, can be used as the antiseptic sterilization of various food and beverage
2.As antiseptic sterilization of various drugs in pharmaceutical industry;
3.It can be used in the production of metal’s corrosion inhibitor and antioxidant;
| Item | Standard | Result |
| Characteristics | White Powder | White Powder |
| Identifications | Qualfied | Qualfied |
| Acidity or alkalinity | 0.20 | <0.20 |
| Assay | 99.0%~100.5% | 99.50% |
| Heavy metals(Pb) | 0.001% | <0.001% |
| Ionic chloride | 0.02% | <0.02 |
| Total chlocine | 0.03% | <0.03 |
| Loss on drying | 2.0% | 1.13% |
| Clarity and colour of solution | Qualified | Qualified |
| Conclusion: | The product above complies with the BP-98. | |
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